Home / 8,309,371.50-12,465,673.20-3,191,427

Finding the Fourth Proportional to 8,309,371.50, 12,465,673.20 and 3,191,427

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Solution

The fourth proportional to 8,309,371.50, 12,465,673.20 and 3,191,427 is: 4,787,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,371.50 : 12,465,673.20 = 3,191,427 : x
  2. Step 2: Convert to fraction form
    8,309,371.50/12,465,673.20 = 3,191,427/x
  3. Step 3: Cross multiply
    8,309,371.50x = 12,465,673.20 × 3,191,427
  4. Step 4: Simplify right side
    8,309,371.50x = 39,783,286,023,656.40
  5. Step 5: Solve for x
    x = 39,783,286,023,656.40/8,309,371.50
  6. Step 6: Final answer
    x = 4,787,761.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.